internal static java.nio.ByteBuffer makeByteBuffer(int bytes)
{
java.nio.ByteBuffer result = java.nio.ByteBuffer.prepare(bytes);
result.order(java.nio.ByteOrder.LITTLE_ENDIAN);
result.mark();
return(result);
}
/// <exception cref="System.IO.IOException"/>
public virtual void writeBuffer(java.nio.channels.SeekableByteChannel channel)
{
buffer.mark();
while (buffer.hasRemaining())
{
channel.write(buffer);
}
buffer.reset();
}
/// <summary>
/// Resizes the internal buffer, preserving contents if the new size is at least
/// as big as the existing present size
/// </summary>
/// <param name="newSize">
/// number of doubles to hold
/// TODO: This moves the backing buffer, if there are any views into
/// this matrix then they will no longer point to this matrix and the
/// coupling will be lost. Solution: Views should register themselves as
/// listeners to buffer changes, e.g. BufferResizeListener
/// CAUTION: This function uses a direct memory copy, so this means for
/// row-major matrices the number of columns cannot change and vice
/// versa.
/// </param>
protected internal virtual void resizeBuffer(int prevSize, int newSize)
{
java.nio.ByteBuffer newBuffer = fastmath.BufferUtils.newNativeBuffer(newSize * fastmath.matfile.MiDouble
.BYTES);
newBuffer.mark();
if (buffer != null)
{
newBuffer.put(buffer);
}
newBuffer.reset();
buffer = newBuffer;
}
